 <a class="btn btn-link btn-nav pull-left" href="javascript:history.back(-1);">
    <span class="icon icon-left-nav"></span>
    后退
  </a>
  <a class="btn btn-link btn-nav pull-right" href="/" style="right:3%;">
    首页
    <span class="icon icon-home"></span>
  </a>
